/***
 * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package br.com.caelum.vraptor.ioc.pico;

import java.util.HashMap;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import br.com.caelum.vraptor.ioc.ApplicationScoped;
import br.com.caelum.vraptor.ioc.ComponentFactory;
import br.com.caelum.vraptor.ioc.ComponentFactoryIntrospector;
import br.com.caelum.vraptor.ioc.SessionScoped;

/**
 * Registry to all ComponentRegistry classes
 *
 * @author Sérgio Lopes
 */
@ApplicationScoped
public class DefaultComponentFactoryRegistry implements ComponentFactoryRegistry {

	private static final Logger logger = LoggerFactory.getLogger(DefaultComponentFactoryRegistry.class);

	/* maps from targetClass to componentFactoryClass */
	private final Map<Class<?>, Class<? extends ComponentFactory>> applicationScoped =
		new HashMap<Class<?>, Class<? extends ComponentFactory>>();
	private final Map<Class<?>, Class<? extends ComponentFactory>> sessionScoped =
		new HashMap<Class<?>, Class<? extends ComponentFactory>>();
	private final Map<Class<?>, Class<? extends ComponentFactory>> requestScoped =
		new HashMap<Class<?>, Class<? extends ComponentFactory>>();

	private final ComponentFactoryIntrospector componentFactoryIntrospector = new ComponentFactoryIntrospector();

	public void register(Class<? extends ComponentFactory> componentFactoryClass) {
	Class<?> targetType = componentFactoryIntrospector.targetTypeForComponentFactory(componentFactoryClass);

	if (componentFactoryClass.isAnnotationPresent(ApplicationScoped.class)) {
			logger.debug("Registering a ComponentFactory for {} in app scope", targetType.getName());
		applicationScoped.put(targetType, componentFactoryClass);
	} else if (componentFactoryClass.isAnnotationPresent(SessionScoped.class)) {
			logger.debug("Registering a ComponentFactory for {} in session scope", targetType.getName());
		sessionScoped.put(targetType, componentFactoryClass);
	} else { // @RequestScoped
			logger.debug("Registering a ComponentFactory for {} in request scope", targetType.getName());
		requestScoped.put(targetType, componentFactoryClass);
	}
	}

	public Map<Class<?>, Class<? extends ComponentFactory>> getApplicationMap() {
	return applicationScoped;
	}

	public Map<Class<?>, Class<? extends ComponentFactory>> getSessionMap() {
	return sessionScoped;
	}

	public Map<Class<?>, Class<? extends ComponentFactory>> getRequestMap() {
	return requestScoped;
	}
}
